短期来看，市场是投票机，但长期来看，市场是称重机。
In the short run, the market is a voting machine but in the long run, it is a weighing machine.
We don’t try to predict the future. We try to buy things that are cheap.
The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.
Technology in forestry should serve nature, not conquer it.
一本书是一面镜子；如果一个傻瓜往里看，你不能指望一个智者往外看。
